chao-ran-pdaclient/app/src/main/java/com/util/IoUtil.java

package com.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.StreamCorruptedException;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;

import org.kobjects.base64.Base64;

public class IoUtil {
	/*zip解压缩*/
	public static Object byte_obj(byte[] b) throws StreamCorruptedException,
			IOException, ClassNotFoundException {
		ByteArrayInputStream bin = null;
		GZIPInputStream gzip = null;
		ObjectInputStream oin = null;
		try {
			bin = new ByteArrayInputStream(b);
			gzip = new GZIPInputStream(bin);
			oin = new ObjectInputStream(gzip);
			return oin.readObject();
		} finally {
			if (oin != null) {
				oin.close();
			}
			if (gzip != null) {
				gzip.close();
			}
			if (bin != null) {
				bin.close();
			}
			System.out.println("留关闭---");
		}
	}

	public static Object byte_obj2(byte[] b) throws StreamCorruptedException,
			IOException, ClassNotFoundException {
		ByteArrayInputStream bin = null;
		ObjectInputStream oin = null;
		try {
			bin = new ByteArrayInputStream(b);
			oin = new ObjectInputStream(bin);
			return oin.readObject();
		} finally {
			if (oin != null) {
				oin.close();
			}
			if (bin != null) {
				bin.close();
			}
			System.out.println("留关闭");
		}
	}
	/*gzip压缩*/
	public static byte[] getbyte(Object ob) throws Exception {
		ByteArrayOutputStream byteOut = null;
		GZIPOutputStream gziOut = null;
		ObjectOutputStream objectOut = null;
		try {
			byteOut = new ByteArrayOutputStream();
			gziOut = new GZIPOutputStream(byteOut);
			objectOut = new ObjectOutputStream(gziOut);
			objectOut.writeObject(ob);
			objectOut.flush();
			objectOut.close();
			gziOut.close();
			byteOut.close();
			return byteOut.toByteArray();
		} finally {
//            if(objectOut!=null){
//            	objectOut.close();
//            }
//            if(gziOut!=null){
////            	gziOut.finish();
//            	gziOut.close();
//            }
//            if(byteOut!=null){
//            	byteOut.close();
//            }
		}
	}

	public static String ob_base64(Object ob) throws IOException {
		ByteArrayOutputStream bOut = null;
		ObjectOutputStream objOut = null;
		try {
			bOut = new ByteArrayOutputStream();
			objOut = new ObjectOutputStream(bOut);
			objOut.writeObject(ob);
			return Base64.encode(bOut.toByteArray());
		} finally {
			objOut.flush();
			objOut.close();
			bOut.flush();
			bOut.close();
		}
	}
}